Pope Benedict has called on immigrants to respect the laws and national identity of their host countries. He said that every country had the right to regulate the flow of migration and immigrants had a duty to integrate.The Pope's comments are likely to add to the Europe-wide debate about integration of foreigners.The Vatican traditionally identifies with migrants and refugees and recently criticised France for deporting 1,000 Roma (gypsies) to Romania and Bulgaria.During the summer, about 200 camps were dismantled.The policy aroused a sharp response from the EU and prompted the Pope to tell French pilgrims they should "accept legitimate human...